!
"
#$%
& %'
!" # $"
$" % & ! ' ( )* +" #
, - .
/ % & % & ! ' ( )* +" # !" #
$"
0 !1 2 /
mohammadinia55@yahoo.com
( )* + 3 4 5. 6)* & # # 7 87!" $ & 9 : # & , 4%# $; # < := 4 9
2
3 ' #
41 % 8 ># :9 & 8 > # ? 2 # = 2 @A & 8 ># :9 & B
C D
2 , # E #
,)-+ F G= H I9 @9
3 '
# 9
JK # , 2*
. + . ? @LM N O
H I9 +
3 ' F G=
# 9
JK , 2*
JKB ..P 4@Q 9
R9 = 4 # $" S I T
= "> UI # @9 R M9 & F G=
@ IO 21 # 4P ? 2 0 1 D
V B 9 W V B # # X
# & 4 # # F G=
JK
+ 3 , 2*
4 '59 # # 6 ) 9 ( %
'>
SPSS
4Y D &? 0 P
0 Q 1 Z5
( 5 P
( / -+ J V WK [ 4P # P 4@Q \# :9 6 1# 4
$ ? & ]
V ]^ [ ;# # # @ % 9 #
JK , 2*
V J [ # P 8 > 9
6X
F G=
] V B _P D` V + W V B # .@ H I9
G= 1 #
3 ' F
# 9
JK # , 2* #
a BB V B
p<
b 3 " # > #
& " F G= `
V B c '
(0 % 1 + 3 +" 4 # X F G= 4P # # " 4@1 L d
2 9
e . .* 4 9
2 1 f 9 # ' 0
9 .
# 4 > ! g. 4
% 2 $ L= 4 % & )Q f 9 '
# # 23 ) 45 -+
3 F G= 9
2> # h 9 /
] V B V ]`B
c Z h 9 /
( )* Ri$ 6i * & i # # 7 87!" $ & 9
9 3 4 5. i & , 4i%# $; # < := 4
2 : #
3 2)* " & # >
JK , i
# # 2I 'j 8 E 4 e
, i i%# ) 4 1 i 4P
i 6i 9 i # 2i $ R 4. '% i.P
a J b
! > 9 k# #
, JBBB 3 i i 2i)* i #
# # & & l m # & D
C JK 4i i # # 41 i
= # # < : = # i9 4iP # iP (7i* $Q 2 $ &
, JBJB # Q 0 > 9 k# R$ 6 * 4 6 I9
# % = $Q a
] b 41 % J V
n # )
# Q k# & o 4 "P
DB
9 N 5 )
^D [ 3 % `B [ 9 , # % "P # %
i p 9 4@ 9 i >
a K b 3 i 'i i # & i i
8 ># :9 & 3 4 T 2 # = 2 @A i
8 ># :9 & D
C B i o 'i> iE # i
i.q %
3 6 * # 8 ># :9 8 ># i:9 , 4I9 #
# = 4 $Q < : =
.%# a D b . & P
3 i ' 2i 1 )@ i
i 9 & i i% 87= i
ii iiM)9 ii 6iiE ( ii+.%# & ii
# a r b ii 4ii) Q &
87= m i M # iP 4 9
< i= i% ig. 4i
i i 2i = @9 # s ? 8 & , # P
e $ oM 4P 2iIX t i @9 #
3 ' o% P 4
# a W b
F G=
a
Shock Index
b m M & 1 _ e2i %
iig & ii 9 ii ii & ii Iii . 4) ii 4iiP 1 u % ' =
2i l f # Y %
i
1 G= , #
`rW #
a ^ b
F G=
0 1 i = i"> s)X A # @9 # P R M9 & 4P 2 i@ IO R1 i # i> # i ? D
V B i9 W V B 2i #
2Ii i i= c# i i ' = #
o '> .P
F G=
i i .% i 9
9 1 u % m # & G Y" si)X A v # #
2i Q 8 i i @9 := ' @ IO = "> l i u i iI)X 4 ! 9 # %
a ` B b i # F i G= i 4i!. 4 4Q 9
= "> s)X A 4iP 2i I A .q %
j9 l!@. 9 R 7* 8 Ri 7* 4 2I .P
w X# 9 9 %# " 0 . # % 2 @A 9
. li f 'P # G= & 9
2> $ 4@1 L d 4. & #
, 4P JB
`B
ii ( ii5 ii"
+ii" ii 9 F ii G= ii 4iiP # #
3 ii 8 ii # ii ii r
# c Zii ii & & 4ii %
2 # a B b i i+ # 4i@1 L 4i5 i.q %
.* x 3 +" # F G= # P i i
( : y z 6i ) 9 4i '59 6iE 4P rr
# i
, JBB` # i" # #
JD [ F i G= i 4iP i
& " ` V B . # 3 ` V D [ 3 i 6i M # i
] V r [ i # # i" @ IO F G=
i.q %
i 4i i i9 4in# 4. iE & F G= o '> 3 o '> ' l f # i i % i 9 i
a r b . 3 8 ># :9 ? # T 4 4Q 9
siX @ i
3 i s){ # +" 6 X # ? & i i%
@ i f i 9 i wi X# i% ' # P ( '1 ' k# 0 P % ' # I P & |= 9 # i..P
3 i @9 +" i 6i= # i%
i
# # i" \ % M M 9 4P ? MM 9 3 ' F G= H I9
# 9
JK
.%# ( 5 # , 2* . -@LM N O 0 & . ?
+ # i wi M 9 2 %
o% } ~ & ?
C # R9 = i I T S
% & ! ' ( )* +" # 8 g 2 9 4P 2
# # 6 !"9
4@Q 9 6 o% } 4@ Q oiY 4i i..P
R9 = l f # $" S I T
R i m
2 Q 8 . a
ISS: Injury SeverityScore
b
o i i . & 4P ~ 9 4@1 L # # 6 i 4@1 L & • = % @
& P 4P . : € = L 9 # JK 4i i t iQ # o . & 2*
# 'P g. 4
9 # # ( i 4i Ri5
'ii > ii iig # ii ii! % •ii L 4ii@1 L m ii 3 ] 4Ii i & 8 E 4 , > m E #
4iii iii. O iii iii JKB
2iii> o 'iii> 4iii
a
= = 230
b 4ii@Q ii: ii &
..P JKB 4@Q ( : i i..P
R9 i= i 4 S i I T
ii ‚ iiY ii # , ii ii% @ # 4iiP $ii" 4 8 4 4@1 L # D
2"$I # & ]`B
$ 9 ]`B
"P , O g. 4
) + , - ) ./
& # & 0 4 ." 4 4 = # =
i # i X
, 2 X # # 6
l.iQ i 6i IX & ! > # %
4n# t a + = i N iQ ‚ iA 8 ># i:9 b
6i
4n# a \79 & 8 @9 4
ii b iiv* 4ii , iiM c ii # ii # 4 iiE
a :Y 4) l T I ? b
6i # 9 i R 7*
4n# R i M9 i 4iP 2i F G= @9 ( # 2 X
? 2 0 1 = "> UI # @9 iP i
# s)X A = "> , .P l f 4 #
= ii"> ii sii)X iiA # ii@9 R ii M9 ii luii ii
4I F G= 0 1
# F G=
@ IO 21 D V B 9 W V B # # X G= i i @9 & l
& i P F i G= i i i # 4 F ` V B & " ` V B 4 # . i + 4 ." ( 2 X
3 @9
JK i & @ 2* i
#e
4P "Y # + 4P 8 i 4i i
JK
2> 8 E 2* oY
oiY 6 % i Q i%
oY 9 # & # } 2IX %
#
3 F G= H I9 i 9
JK 2* i
# & l @9
4P F G=
# iP & ! m i M i9
i i 4i. & # i%
9 i 9 4 # & 8 @1 L # ? I *
2 a r B b i &? c m i M @9 C
9 # 5 &? JB
( 5 e s iA 4P
ƒ I P 1? ^r
V B
m M ..P 9
( & # '>
SPSS
4Y D # # 6 ) 9 4 '59 i%
2> 8 E oY #
E 9 ? &
i > • & 9 , Q
\ +
# @
G= H I9
3 ' F 9
P Z5 &? &
# 0 Q 1 1? „L BD V B .* 4 .@ „L 4 > g # # % P # 4@1 L #
i% & !i ' ( )* +" # p7= 4 P 4 H X7=
2 # 2 *
( / -o% }i # i # > 4P # # " 4@1 L d `]
C D
.i + i , J V ] DK V Jr # i 8 iE := i+ #
# 4 , Q 2 4E7= ^ V JB [ 6 7 8
ii$ > l T iiI ? ~ii 9 ii: 6iiP &
6M . 4 ! ' ]
6M . &
# !ii ' ii$ > ~ii 9 JK
# ii , 2* ii
# # 2 # & # = Q r V J` [ 6 9 :;% 8 i 'j 8 A ;#
W V ] [ 6 < ;% 8
8 iE 4i 7 iI
* Y K V W [ 6 ;% 8 R! 9 D V ^ [ 6 7 ;% 8
i 9 iX > ( 9 W V KB [ 6 << :;% 8
& " F G= # @ 9 # `
V B ( 9
& i P F i G= 4. 4 X 9 # ` V B # . )= < +
( 2)>>5 (?= @ A B
C% 3 @ \ . + J V ] DK V Jr J] C B # @9 E # . # W ^ V K^ [ KW C JK Br J V KK [ W C K^ K ^ V D [ `D C WJ ] ] V [ 2 .Q & JJ J V ` [ # J ^ ^ V `B [ k# 2)*
8 ># :9 W^ J V WK [ H M J` V J [ t ' ^ D V W [ + = ] ] V [ # J D [
4 E 9 t
# @ % 9
`` ] V ]^ [ 9 $ DD ` V JJ [ # K` K V JB [
X > $ J` V J [ R! r D V J [
4. 4 X D
W V [
* Y 8 E K
J V [
F G= 6X ] V B _P D` V + i W V B @ \ JB` V B # ] V [ 6 D ;% 8 & " ` V B W V ^^ [ 6 <E ;% 8 & P ` V B . i # V J [ 6 7 :;% 8 & # : JK # P 8 > # , 2*
# > # F G= + K
V B #
2 1 #
# F i G= + 4P ` V `W [ 6 E7 :;% 8
i & # i>
# JK , 2* ` V B # 4 6P # V [ 6 E ;% 8 3 F i G= i i i: # % & i" ` V B ` V B [ 6 ;% 8
& P F G= : # `
V B p 9
# > 'i F i G= i i H iI9 i g. 4
3 #
JK P Zi5 &? , 2*
.@ H I9 &? 45 ( 5
F i G= #
3 9
# # i" a BB V B p< a b , iQ J b
H I9 ' F G= : 2 .Q .q %
.@ # # a BB V B p< b 4P O 4 e ] V ^ [ 6 F :;% 8
& " F G= 4P # > `
] V J [
6 ;% 8
& " F G= # & `
V B # 4
# + # F i G= i # & $; I M9
# 9T
)= +
) !
3
F G=
a
SI
b • Q
a E # b
& P ` V B a E # b & " ` V B a E # b
= E #
# @9 E # # @9 `W…`(J]D)
``… J
^^…` JK
4) B…`
J … ] J… (D)
• Q BB
J ] BB
27
BB(JKB)
&?
x2= , p= , df=
3 i i # 4 E 4 # i
JK , 2* i
.@ H I9 # i" i # #
a si 9 9 4i
JD V B
p=
JJ V B
p=
b
ii 4i M # # \# ii:9 4. iE = ii">
K V `B [ ii
# o '> = "> 9 W
V W [ o% iP = i"> #
2> ` V [ # j9 i.@ H I9
\7 i= i #
0 1 = "> \# :9 4. E # , .P = "> 3 i i l f # , .P # i
JK , 2* i
i i # 9 , I # 4 a
BB V B
p<
b 4i ! i
2 4Q 9 6 X 4P
3 4iP # i > p i 9 i% #
2> o '> l f = "> " # = "> 8 j9 i # # i" li f # = i"> o% iP 4P % # 3 " #
0 Q 1 6 ) 9 0 i j ? # 4iP Q '
8 i j9 e0 1 i = "> 4 j .* 4 3 si)X iA # i@9 li f 9 \# :9 4. E & = ">
o % j .* 4 F G= i 4 > g #
ii" 'i 0 ii Q 1 ii ii &? d i H iiI9 ii.%#
.@ m !@ i #
3 i 'i i
JK , 2* i
# F G= 4 M # F G= .q %
4* 5 & ? %
= i"> si)X iA # i@9 6
+ii" c& # = ii"> 8 ii j9 'ii 0 1 ii 3 ii # ii 9 ii ii JK
# ii , 2* ii
# & # i i F i G= i c i 4LM } 2
. .
ROC
& # # *
] V B 4i
@9 c 4LM $ .* +i" c 4LM
2 3 ..P
^J V B } `` V B i . . & „L .q %
rW V B i. O 4)iE > i ]D
V B i9
`` V B ? 2 , Q
] F G= c 4LM .;
i i" i$ ? 2 i } % i%#
6!i
#
ROC
o 4 F G= # #
# Z
)= E +
. (G*% )>H 2 - 1I J K ?
LM < N % ROC ?
K (G*% cut off
OP 2> " R{ )* R # 4Q 9 6 X %
i5. 4P 9 %
o% P 4 3 + ";
# i 9 i +i" 6i X
T 8 ?
9 3 4 5. 2)* 0 .q % !
KK 2i +1 a
b R i i% ' 4i i 9 i%
i i # 2iIX 'P 9 f 9 :X y
# . ( : ..P
@iA = i"> 6i IX & % ' 2
i i. i$ ? & iI P 9 ! 7 { m M .9 2 1 4 E R ! 9 + & o.P .
# l f 9 R 9 8T i 9 4 I #
'iP # < i:Y „ % l f # # 5 2 1 • . # # G :Y9 $ 9 .
4 Z & 9
ii)Q 2ii ii a
] b ii. ii ii $ 'ii ii. &
4. $ R % l f ~ # 2IX & " 8 @1 L
" = "> 4P .%# s)X A
†iE : = . 9
F G= c H M
2 }
B…] B…^r
B…``
B…K B…^D
B…`r
B…D B…^]
B…^^
B…r B…^
B…r^
B…W B…^B
B…KW
B…^ B…rD
B…JD
B…` B…rB
) + , - ) ./
+" '
. ( : ..P
iA # i@9
ii1 sii)X F ii ii 4ii$Q # 4iiP 2ii 9 ii 2ii 7*
j9 0 f % .P
4iP i & ]B
C D [ i= Ri5
o '> s)X A # @9 # 2 # & e
i.
3 ' +" $.9 4 9 i
0 P 9 % i ..P
a r b L 4iP 1 i # 8 i@1
4 > & P +" F G= o '> 4P
i..P
IX 2 4 & o '> € @A % $ 2 3 i i" 4iP # # " = 4@1 L d # i
& i" F G= 4P # . : `
V B . i #
& i P F G= 4P % # `
V B # 3 i . i i
# > p 9 P " F G= # > # 4P O 4
& ` V B 3 ] V [
i P F G= : #
& ` V B 3 ` V B [ i c ' i i1 m i M i
, +1 ~ 9
`rW 4@1 L # # i" d
4P KB [ 3 : # % & i" F i G= i
# > p 9 0 a
J b
4i > 'i !i !) iP i P P 4@1 L # F i G= i # > # 4P O 4 e ? 2 # 4 $ "
& " ` V B 3 c ' " a
r ] b
4 > + # & .@ H I9 # Q ( * = 4@1 L %
#
3 0 1 = "> s)X A # @9 i
2 9
G= i i$.9 'i 0 i Q 1 i &? m
4ii* 5 & ii 4ii M # F ii ? ii%
= ii"> ii.@
0 1 si)X A # @9 0 1 = "> \7 =
3 +" .@ H I9
" # # #
4i >
4 > i! % # iP ! P 4@1 L % c& 4iiP # # ii" d ii 4iiP iiO 4ii e# # iiY %
+" 3 i @9 # F G= ..P i
K^ 2* i
2i i9 I @ i" si)X iA # @9 = "> & , a K b i: 4@1 L d .q % 4iP # # i" i & $1
41 1 +) @9 # : Y"9 c& F G= H I9 6 * & @ 6IX = "> s)X A # @9 e# #
.@ # " # G= i 2 i i = 4@1 L #
F ^J [ i c 'i i 4i c 'i
( i)* i)) 1
* ! ' @9 2
0 1 i = i"> UI #
s 9 9 4 F G= ]r
[ J^ [ WJ [ # # " .q %
M H I9 R! 6= # = R5 F G= e2 #
G= i # i " = R5 \79 X 4; % 4P O 4 o '> F 2>
a r b 4 > 4 >
0. P ! !) P 4@1 L % 4i)
# # UX .9 e
4iP # # i" i ? 4i@1 L d i 4iP O 4
si)X iA # i@9 0 1 i = i"> F G= 3 +" # 1# @ c& i" i 9 i i
# # a ] b 4 > i .u i ' i1 4@1 L %
Y"9 # !) * 4P # # " ' # q 4i F i G= i :
= i"> i 9 e# $ s)X A & 'Q 8 E 2 a W b 4 > + # & H iI9 % i" 4i@1 L i i%
.@ li f 9 4n# 4. E & = "> 8 j9 #
3 JK 2i i # i i , 2* i
3 ii ii" ii: # ii
= ii"> o 'ii> ii
& , .P = "> 4 M # l f #
2 > ~ 9 # %
UX .9 6 1# & c 4 9
2iIn ( i* i
iA # i@9 = i"> & e# # 2I 9 R 7* 6 P & 1 5 # d. "> ~ 9 l f # s)X i9 e i
& # # > % L= # # 9 R 7*
e
~i 9 \# i:9 4. iE # 9 i Ri 7* 4iP 2i 1 # 4 M* d. "> + # # &
i i i #
& L= # 5 , o '>
.P i.q %
F & s)X A o '> ( i 2i> # 1 u %
4P 2 N7E 6 X , 6 #
F i G= 9
2i > l T iI ? ~ 9 4P % # < := 4 6iM . i%
Z n 9 i i: 2 .Q 4P # # " 4@1 L + # 4 >
.@ H I9 F G= 2i # # Q #
e 4iP iO 4i
: & " F G=
` V B i_P y i # # i #
‡ii. )P ii P iiP 4ii@1 L C
ii" !.ii 2 ii
& " G= : `
V B # # 6 !"9 & & !
UX .9 6 T# 8 i 9 4i 9
# i # i+.% > i%
# # 2Ii 4iML. ii% P 4i ( iiX N iQ ‚ iA 'ii
O Y & # i # 2)! i 9 # = 8 ># :9 ' ?
2 " & i 4i M # & i. # i@9 i.q %
2 P 4ML. # # 4 > wIO
4i@1 L %
' ^ V `B [ # # 6 !"9 # : i i+ # 4 !
• = # % @ m 4P 4@1 L #
9 # >
4P • = 4@1 L & € = RP #
4 & i n i9
2 # I (0 % 1 & i" F G= `
V B 3 i i" i
# # " 4MIO # G=
4i. $ # . & 4P & # < := 4 9 0 P R % l f • . & 2i ..P
i+ # 8 iI* 4i
F G=
f i 9 'i 0i i.* 4 9 ig. 4i
3 +" 2 1
4i 9 2IX .
• . # I P 4$Q & # < := 0 P 8 !
i..P
# 1 i iL= 4i i% & & )Q e # # % ' .P # $ f 9 G Y"9
# + X m i M i i! # 21 $i 4i 4iQ 9 i
.P P 2 >
i li f % , i .P & li i. 9
"> s)X A
# P @9 F G= =
o : # 1 L=
..P . 2 # &
%
' F G= 1 H I9 $.9 4P # 4@1 L 3 # JK i 5.i c Zi , 2* i # $.i"
3 i 'i F G= @ 8 @1 L # # i
& o JK # i 5.i 'i & G = 9 2*
' l f 9 4n# 4. E # = "> \7 = .q % 3
9 #
# i@9 4i@1 L i #
P 2 > l T I ? ~ 9 & 6iM . 4 %
. e d 4 #
I @ Ri5 i 9
3 i F G= \7 = H I9 " 4 i
9 # P
% )Q M$ 4 4)
. 41 M s9 !"9 M9 # i= &
2 @ (
"% } +" # ( )* ! ' % & 2i
$i" i !" # ( ( i 2i
ii R9 ii= ii I T S ii ' ii & ? ii
oY } 2IX oY Q l f % ( 5 # 4P
o% } i
i & i i # P i #
4i@1 L i
+" # ‚ : "% } N O & 4 > i% & ! ' ( )*
N O 4 JJKB
C `B
References
1. Motie M, Behnam pour N, Ali nejad H. Epidemiology of Blunt Abdominal Trauma in
Gorgan 1380-84. Jouranal of Gorgan University of medical science 1387; 10(4): 55-9. [persian]
2. Ebrahimifakhar HR. Patient’s Outcome of Severe Head Injury Patients According To Gcs In Vali-Asr Hospital. Arak University of Medical Sciences Journal 2010; 12(4):1-9.[persian]
3. Brown T. Pre Hospital Care of Road Traffic Injuries in Chiang mai. Berkeley Traffic Safety Center. available from: WWW: WHO. int / world-health-day/2004/en/traffic facts en. PDF.
4. Reinhard E. World Report on Road Traffic Injuries Prevention. UN chronicle. June-August 2004. Available from URl: www. Find articles. Com/p/articles.
5. Moradi S, Khademi A, Taleghani N. An Epidemiologic Survey of Pedestrians Passed Away in Traffic Accident. Journal of Legal Medicine of Islamic Republic of Iran 2003; 30(9): 75-81. [persian]
6. Canon CM, Braxton CC, Kling-Smith M, et al. Utility of Shock Index in Predicting Mortality in Traumatically Injured Patients. J Trauma 2009; 67(6)1426-30
7. Zare M, Kargar S. Evaluation of Prehospital Care for Trauma Patients Referred to Shahid Rahnamoon and Afshar in Yazd. Shahid Sadooghi Journal of Yazd university of medical science 1384; 13(5):25-30. [persian]
8. Birkhahn RH, Gaeta TJ, Bei R, Bove JJ. Shock Index in the First Trimester of Pregnancy and Its Relationship to Ruptured Ectopicpregnancy. Acad Emerg Med. 2002; 9(2):115-9.
9. Rady MY, Nightingale P, Little RA, Edwards JD. Shock Index: A Reevaluation in Acute
Circulatory Failure. Resuscitation 1992; 23:227-34.
10.Sankaran P, Kamath AV, Tariq SM, Prentice P, Smith AC, Subramanian DN. Are Shock
) + , - ) ./
11.King RW, Plewa MC, Buderer NM, Knotts FB. Shock Index as a Marker for Significant
Injury in Trauma Patients. Acad Emerg Med 1996; 3:1041-5.
12.AllgowerM, Burri C. Shock Index. Dtsch Med Wochenschr 1967; 43: 1-10.
13.Cannon CM, Bilkowski RM. Utility of Shock Index in Predicting the Severity of Illness in Traumatically Injured Patients. A abstract and poster presentation, International interdisciplinary Conference on Emergencies, Montreal, Canada, June 2005.
14.Nakasone Y, Ikeda O, Yamashita Y, Shigemitsu Y, Harada K. Shock Index Correlation
With Extravasation on Angiography of Gastrointestinal Hemorrhage. Cardiovasc Interv Raiol 2007; 30:861-5.
15.Nasrolahi SH, Zamani M. Comparative Value of Si and Vital Signs for Prediction of Ectopicpregnancy Women. Scien J of Gorgan University of medical science 2007; 9(2):45-50 [Persian]
16.National Institute of General Medical Science. Fact Sheet: Trauma, Shock, Burn, and
Injury – Facts and Figures. Available at: NIGMS.NIH.
gov/Publications/trauma_burn_facts.htm. Accessed February 15, 2008.
The relationship of shock index (SI) with trauma patients’ mortality after
the first 24 hours of admission at Khatam-aL-Anbia Hospital in Iranshahr
Nastaran Heydari Khayat1, Hassan Sharifi Poor1, *Neda Mohammadinia1
1. Instructor in Nursing, Department of Nursing, Iranshahr Nursing and Midwifery School, Zahedan University of Medical Sciences, Iranshahr, Iran.
*Corresponding author, Email: mohammadinia55@yahoo.com
Abstract
Background:The Trauma is one of the most important health problems and a leading cause
of death in 4th decade of life. Mortality due to accidents has a critical situation in Iran and mortality rate is increasing10-15% annually.
Aim: To assess the relationship of shock index with trauma patient’s mortality after first 24 hours of admission at Khatam-al-Anbia Hospital in Iranshahr.
Method A cross-sectional design was carried out on 240 traumatic patients to predict mortality of trauma patients after 24 hours of hospitalization at Khatam-Alanbia Hospital in Iranshahr. The shock Index is calculated by dividing heart rate on systolic blood pressure. The normal range is 0.5-0.7. SI was calculated at the beginning of admission to hospital and after 24 hours mortality was assessed. Data were analyzed with SPSS Software version 15, using logistic regression and Chi-square test.
Results: 74.2% of trauma was due to accidents from which 38.3% experienced multi trauma. 2.1% of patients expired during 24 hours of admission. The minimum and maximum scores and mean of SI were 0.31, 59.1 and 0.71, respectively. There was a significant relationship between SI and mortality of trauma patients within 24 hours of hospitalization (P=0/000). The highest rate of mortality was seen in patients with SI higher than 0.9.
Conclusion: The SI is a useful instrument for mortality prediction. So it is recommended to reduce errors in mortality prediction SI to be used along with other kinds of triage instruments.
Keywords: Trauma, SI (shock index), mortality
Received: 03/01/2012
